Living in a city with frequent rainfall, I completely understand the struggle. A poor-quality outdoor trash can quickly becomes a smelly, overflowing mess of soggy trash and stagnant water. Through trial and error, I've found that the best outdoor trash cans for wet climates aren't just about being waterproof; they're about managing water intelligently.
The absolute top feature to look for is integrated drainage holes at the bottom. These small openings allow any rainwater that gets inside (from a loose lid or while throwing trash out) to simply drain away. This prevents the bin from becoming a breeding ground for mosquitoes and stops bags from sitting in water and tearing. Pair this with a tight-fitting, sloped lid that sheds water away from the opening, not into it.
Material is crucial. Heavy-duty, rust-resistant plastic is often a better choice than metal for constant rain, as it won't corrode. If you prefer metal, ensure it's galvanized or powder-coated stainless steel. Look for cans with a raised bottom or feet, which elevate those drainage holes off the ground, ensuring they don't get clogged and improve airflow.
For areas with heavy downpours, consider a dual-wall design for extra durability and insulation. My personal recommendation is to choose a dark-colored bin, as it resists algae and mildew growth better than light colors. Remember, the goal is a can that stays dry inside, so your trash stays contained and your patio or driveway stays clean, no matter how many rainy days we get.